Key Features

• Designed for F57A Models – Engineered to be fully compatible with air cleaner model F57A for a precise and reliable fit.
• Durable Aluminum Mesh – Built from strong aluminum material to ensure long-lasting performance in demanding HVAC environments.
• Exact Fit Dimensions – Measures 21-3/8 x 25 x 7/8 inches to meet OEM specifications and support proper airflow and system efficiency.
• Improves Filtration Performance – Functions as a pre/post filter to trap larger particles, helping protect the main filter and extend its lifespan.
• Convenient 2-Pack – Includes two replacement filters for efficient system maintenance and added value.

Specifications